| Taxon | Density |
| Ophelia borealis Quatrefages, 1866 | 85.1 |
| Scoloplos armiger (Müller, 1776) | 60.3 |
| Nemertea | 47.9 |
| Typosyllis (Typosyllis) variegata (Grube, 1860) | 30.2 |
| Pholoe Johnston, 1839 | 28.2 |
| Echinocyamus pusillus (O.F. Müller, 1776) | 28.2 |
| Mysella bidentata (Montagu, 1803) | 26.9 |
| Owenia fusiformis Delle Chiaje, 1844 | 25.1 |
| Aricidea minuta Southward, 1956 | 11.7 |
| Syllidae Grube, 1850 | 10 |
| Bathyporeia guilliamsoniana (Spence Bate, 1857) | 10 |
| Anthozoa | 8.3 |
| Goniada maculata Örsted, 1843 | 6.8 |
| Scalibregma inflatum Rathke, 1843 | 6.8 |
| Dosinia exoleta (Linnaeus, 1758) | 6.8 |
| Bathyporeia elegans Watkin, 1938 | 5 |
| Polycirrus medusa Grube, 1850 | 5 |
| Glycera lapidum Quatrefages, 1866 | 5 |
| Marphysa bellii (Audouin & Milne Edwards, 1833) | 5 |
| Exogone (Parexogone) hebes (Webster & Benedict, 1884) | 5 |
| Chaetozone setosa Malmgren, 1867 | 5 |
| Protodorvillea kefersteini (McIntosh, 1869) | 3.3 |
| Spiophanes bombyx (Claparède, 1870) | 3.3 |
| Aricidea suecica Eliason, 1920 | 3.3 |
| Aricidea cerrutii Laubier, 1966 | 3.3 |
| Harmothoe lunulata (Delle Chiaje, 1830) | 3.3 |
| Aonides paucibranchiata Southern, 1914 | 3.3 |
| Iphinoe trispinosa (Goodsir, 1843) | 3.3 |
| Eteone longa (Fabricius, 1780) | 3.3 |
| Nephtys longosetosa Örsted, 1842 | 3.3 |
| Cochlodesma (Bontaea) praetenue (Pulteney, 1799) | 3.3 |
| Echinocardium flavescens (O.F. Müller, 1776) | 3.3 |
| Dendrodoa grossularia (Van Beneden, 1846) | 1.7 |
| Leptonereis glauca (Claparède, 1870) | 1.7 |
| Lunatia poliana (Della Chiaje, 1826) | 1.7 |
| Amphiura filiformis (O.F. Müller, 1776) | 1.7 |
| Ophiura albida Forbes, 1839 | 1.7 |
| Phaxas pellucidus (Pennant, 1777) | 1.7 |
| Arctica islandica (Linnaeus, 1767) | 1.7 |
| Sabellidae Latreille, 1825 | 1.7 |
| Anaitides rosea (McIntosh, 1877) | 1.7 |
| Trichobranchus glacialis Malmgren, 1866 | 1.7 |
| Urothoe poseidonis Reibish, 1905 | 1.7 |
| Nereis (Nereis) elitoralis Eliason, 1962 | 1.7 |
| Nephtys cirrosa Ehlers, 1868 | 1.7 |
| Lepidonotus squamatus (Linnaeus, 1758) | 1.7 |
| Spio filicornis (Müller, 1776) | 1.7 |
| Caulleriella Chamberlin, 1919 | 1.7 |
| Lumbrineris fragilis (O.F. Müller, 1776) | 1.7 |
| Capitellidae Grube, 1862 | 1.7 |
| Capitella capitata (Fabricius, 1780) | 1.7 |
